Key stats: Lightning C Steven Stamkos has a league-best 15 goals. … Penguins C Sidney Crosby has league bests of 34 points — Stamkos is two behind — and 24 assists. … Stamkos has eight goals and seven assists during a nine-game points streak, the league's current best. … Crosby has five goals and 12 assists over his past nine games. … The Penguins have a league-best 23 power-play goals and have scored at least one in 13 of their past 14 games. … Pittsburgh's Kris Letang has league bests among defensemen of 19 points and 16 assists.